/Engine/Source/Runtime/Engine/Classes/GameFramework/GameSession.h
Acts as a game-specific wrapper around the session interface. The game code makes calls to this when it needs to interact with the session interface. A game session exists only the server, while running an online game.
class AGameSession : public [AInfo](API\Runtime\Engine\GameFramework\AInfo)
bool
bRequiresPushToTalk
Is voice enabled always or via a push to talk keybinding
int32
MaxPartySize
Restrictions on the largest party that can join together
int32
MaxPlayers
Maximum number of players allowed by this server.
int32
MaxSpectators
Maximum number of spectators allowed by this server.
uint8
MaxSplitscreensPerConnection
Maximum number of splitscreen players to allow from one connection
FName
SessionName
SessionName local copy from PlayerState class.